Title:
METHOD FOR PRODUCING METAL NITRIDE
Document Type and Number:
WIPO Patent Application WO/2021/112146
Kind Code:
A1
Abstract:
A method for producing metal nitride according to the present invention is characterized in that, in a method in which a raw material powder containing a metal powder and filling a reaction vessel is ignited in a nitrogen gas atmosphere, and then nitriding combustion heat generated by the nitriding reaction of the metal is propagated throughout the raw material powder so as to produce a nitride of said metal, a heat insulating layer, which is nitrogen permeable and is made of a material that is inert with respect to the nitriding reaction, is formed on the top surface of a layer comprising the raw material powder. Hence, the present invention can provide a method in which the amount of unreacted metal powder is reduced when producing a metal nitride using a combustion synthesis method.
Inventors:
WAKAMATSU SATORU (JP)
AKIMOTO KOJI (JP)
AKIMOTO KOJI (JP)
Application Number:
PCT/JP2020/044937
Publication Date:
June 10, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C01B21/06; C01B21/064; C01B21/068; C01B21/072
Foreign References:
| JP2011162431A | 2011-08-25 | |||
| JPS62162608A | 1987-07-18 | |||
| JP2020111477A | 2020-07-27 |
Other References:
C. P. GAZZARAD. R. MESSIER, CERAM. BULL., vol. 56, 1977, pages 777 - 780
See also references of EP 4071111A4
See also references of EP 4071111A4
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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